"Qingqing Zhou" <[EMAIL PROTECTED]> writes: > What if AtEOXact_Inval() fails (though the chance is slim)? Does that mean > that smgrDoPendingDeletes() -> DropRelFileNodeBuffers can never get > executed, which means we can never "dropped without write" the buffers > belonging to the victim relation? So when the BgWrite sweeps, it will write > those buffers to a non-logically-existed file?
So it'll get an error ... this scenario doesn't strike me as any worse than any other problem occuring in post-commit cleanup. The locks left around by the not-cleaned-up transaction would probably be a bigger issue, for example. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend